import axios from 'axios'
import { Notification, MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import errorCode from '@/utils/errorCode'

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 30秒超时
  timeout: 30000
})
// request拦截器
service.interceptors.request.use(config => {
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  if (getToken() && !isToken) {
    config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
  }
  return config
}, error => {
  console.log(error)
  Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
  const conf = res.config
  // 返回原始响应信息
  if (conf.rawRes) return res

  // 未设置状态码则默认成功状态
  let code = res.data.code || 200
  // 获取错误信息
  const msg = errorCode[code] || res.data.msg || errorCode['default']
  // 判断是否为Blob格式的数据
  if (res.data instanceof Blob) {
    var blob = res.data
    if (res.headers['content-disposition']) {
      sessionStorage.setItem('cqFileName', res.headers['content-disposition'].split('=')[1])
    }
    if (!res.config.url.includes('cqEvalPrjchk') && blob.size < 200) {
      code = 401
    }
  }
  if (code === 401) {
    MessageBox.confirm('登录状态已过期，请重新登录', '系统提示', {
      confirmButtonText: '重新登录',
      cancelButtonText: '取消',
      showClose: false,
      showCancelButton: false,
      closeOnClickModal: false,
      type: 'warning'
    }
    ).then(() => {
      store.dispatch('LogOut').then(() => {
        location.href = '/index'
      })
    })
    return Promise.reject(new Error(msg))
  } else if (code === 500) {
    Message({
      message: msg,
      type: 'error'
    })
    return Promise.reject(new Error(msg))
  } else if (code !== 200) {
    Notification.error({
      title: msg
    })
    return Promise.reject('error')
  } else {
    return res.data
  }
},
error => {
  console.log('err' + error)
  let { message } = error
  if (message === 'Network Error') {
    message = '网络异常，请稍后重试！'
  } else if (message.includes('timeout')) {
    message = '系统接口请求超时'
  } else if (message.includes('Request failed with status code')) {
    message = '系统接口' + message.substr(message.length - 3) + '异常'
  }
  // if (!message.includes('超时')) {
    Message({
      message: message,
      type: 'error',
      duration: 5 * 1000
    })
  // }
  return Promise.reject(error)
}
)

export default service

export const req = {
  ...service,
  get: (url, params, opts) => service.get(url, { ...opts, params }),
  delete: (url, params, opts) => service.delete(url, { ...opts, params }),
  head: (url, params, opts) => service.head(url, { ...opts, params })
}
